英文關鍵字
app
audio
beautiful
call
caucasian
chatting
communicate
communicating
communication
connected
content
contraption
conversation
dialogue
discussion
distant
education
female
girl
internet
message
mobile
modern
online
outdoor
outside
person
phone
record
recording
smartphone
social
sound
speaking
student
summer
sunny
talk
talking
technology
teenager
user
video
voice
walk
woman
work
writing